APA (7th ed.) Citation

(2000). Physicians' desk reference for nonprescription drugs and dietary supplements (21st ed.). Medical Economics.

Chicago Style (17th ed.) Citation

Physicians' Desk Reference for Nonprescription Drugs and Dietary Supplements. 21st ed. Montvale, NJ: Medical Economics, 2000.

MLA (9th ed.) Citation

Physicians' Desk Reference for Nonprescription Drugs and Dietary Supplements. 21st ed. Medical Economics, 2000.

Warning: These citations may not always be 100% accurate.